ABB Zenith ZTS T Series, Operation, Maintenance, And Installation Manual

Page: 53 / 130

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1
O PER AT I O N , M A I N T EN A N C E , A N D I N S TA L L AT I O N G U I D E
Parameters (contunued) *Default
Device Parameters (continued)
Generator Exercisers Switch and generator functioning can be tested
automatically and also periodically by using four
independent exerciser events. Test on load
function starts the generator and transfers the
load to it. Test off load function only starts the
generator for the duration of the event.
Overlapping events are prioritized, event 1 has
the highest priority.
Exerciser 1 / 2 / 3 / 4
Status Disabled*
Non-periodic
Daily
Weekly
Bi-weekly
Monthly
Yearly
Function No Function*
Test on Load
Test off load
Duration
(hh:mm:ss) 00:00:00...24:00:59 (00:01:00*)
Time
(hh:mm) Starting time of the event.
00:00*...23:59
Date (month day,
year) Starting date of the event
Jan 01, 2020... (---*)
Application
S1-Transformer/S2-Generator*
S2-Transformer/S1-Generator
2 Transformers/S1 Priority
2 Transformers/S2 Priority
2 Transformers/No Priority
Commit Transfer
Off* If priority source fails, device cancels the
transfer sequence to non-priority source
(generator) if priority source returns before
non-priority source becomes acceptable.
On
If priority source fails, device countinues transfer
sequence to non-priority source (generator)
even if priority returns before non-priority
souce becomes acceptable. Retransfer sequence
according to time delays.
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